File content as of revision 2:8907a25944ab:

#include "mbed.h"
#include "EthernetInterface.h"
#include "HTTPClient.h"
#include "C12832_lcd.h"

EthernetInterface eth;
HTTPClient http; 


#define CIK "0000000000000000000000000000000000000000"
#define WRITE_ALIAS "temp"
#define READ_ALIASES "?screen"

char EXO_CIK_HDR[] = "X-Exosite-CIK: " CIK "\r\n";
char EXO_ACCEPT_HDR[] = "Accept: application/x-www-form-urlencoded; charset=utf-8\r\n";
char EXO_CONTYP_HDR[] = "Content-Type: application/x-www-form-urlencoded; charset=utf-8\r\n";
const char EXO_URI[] = "https://m2.exosite.com:443/onep:v1/stack/alias" READ_ALIASES;
// NOTE: Need to specify port due to parsing bug in lib on "onep:v1"

#define TIMEOUT 2000
#define BUFFSIZE 1024

AnalogIn aPot1(p19);
Timer send_timer, connection_timer, run_time;

static C12832_LCD lcd;

int main()
{
    run_time.start();
    send_timer.start();
    connection_timer.start();

    printf("\r\nStart\r\n");
    
    eth.init(); //Use DHCP
    
    lcd.printf("Exosite HTTP Cloud Demo");
    lcd.locate(0,11);
    lcd.printf("MAC: %s", eth.getMACAddress());
    lcd.locate(0,22);
    lcd.printf("IP:  Requesting From DHCP...");
    
    eth.connect();
    
    printf("IP Address is %s\r\n", eth.getIPAddress());
    printf("MAC Address is %s\r\n", eth.getMACAddress());
    
    lcd.locate(0,22);
    lcd.printf("IP:    %s        ", eth.getIPAddress());
    
    printf("[%f] Running...\r\n", run_time.read());
    
    while (1) {
        int ret;
        char incomming_buffer[BUFFSIZE];
        char outgoing_buffer[BUFFSIZE];
        HTTPText read_text = HTTPText(incomming_buffer, BUFFSIZE);
        HTTPText write_map = HTTPText(outgoing_buffer);
        
        snprintf(outgoing_buffer, BUFFSIZE, "tempf=%0.0f", 42.37);
        
        connection_timer.reset();
        printf("[%f] Sending...\r\n", run_time.read());
    
        http.setHeader(0,EXO_CIK_HDR);
        http.setHeader(1,EXO_ACCEPT_HDR);
        http.setHeader(2,EXO_CONTYP_HDR);
        
        ret = http.post(EXO_URI, write_map, &read_text);
        printf("Done! Status: %d, %d\r\n", ret, http.getHTTPResponseCode());
        lcd.locate(0,0);
        lcd.printf("                           ");
        if (!ret) {
            printf("Success, Got: %s\n", incomming_buffer);
            lcd.locate(0,0);
            lcd.printf(incomming_buffer);
        } else {
            printf("Error, Got: %s\n", incomming_buffer);
            lcd.locate(0,0);
            lcd.printf(incomming_buffer);
        }
        
        printf("Completed in %f seconds.\r\n", connection_timer.read());
        
        wait(5);
    }

}